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Finding the Fourth Proportional to 122,568.15, 183,852.23 and 48,696.15

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Solution

The fourth proportional to 122,568.15, 183,852.23 and 48,696.15 is: 73,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.15 : 183,852.23 = 48,696.15 : x
  2. Step 2: Convert to fraction form
    122,568.15/183,852.23 = 48,696.15/x
  3. Step 3: Cross multiply
    122,568.15x = 183,852.23 × 48,696.15
  4. Step 4: Simplify right side
    122,568.15x = 8,952,895,526.43
  5. Step 5: Solve for x
    x = 8,952,895,526.43/122,568.15
  6. Step 6: Final answer
    x = 73,044.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.